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Self-activated superhydrophilic green ZnIn2S4 realizing solar-driven overall water splitting: close-to-unity stability for a full daytime

Author

Listed:
  • Wei-Kean Chong

    (Monash University Malaysia, Jalan Lagoon Selatan)

  • Boon-Junn Ng

    (Monash University Malaysia, Jalan Lagoon Selatan)

  • Yong Jieh Lee

    (Monash University Malaysia, Jalan Lagoon Selatan)

  • Lling-Lling Tan

    (Monash University Malaysia, Jalan Lagoon Selatan)

  • Lutfi Kurnianditia Putri

    (Monash University Malaysia, Jalan Lagoon Selatan)

  • Jingxiang Low

    (Monash University Malaysia, Jalan Lagoon Selatan
    University of Science and Technology of China (USTC))

  • Abdul Rahman Mohamed

    (Universiti Sains Malaysia)

  • Siang-Piao Chai

    (Monash University Malaysia, Jalan Lagoon Selatan)

Abstract

Engineering an efficient semiconductor to sustainably produce green hydrogen via solar-driven water splitting is one of the cutting-edge strategies for carbon-neutral energy ecosystem. Herein, a superhydrophilic green hollow ZnIn2S4 (gZIS) was fabricated to realize unassisted photocatalytic overall water splitting. The hollow hierarchical framework benefits exposure of intrinsically active facets and activates inert basal planes. The superhydrophilic nature of gZIS promotes intense surface water molecule interactions. The presence of vacancies within gZIS facilitates photon energy utilization and charge transfer. Systematic theoretical computations signify the defect-induced charge redistribution of gZIS enhancing water activation and reducing surface kinetic barriers. Ultimately, the gZIS could drive photocatalytic pure water splitting by retaining close-to-unity stability for a full daytime reaction with performance comparable to other complex sulfide-based materials. This work reports a self-activated, single-component cocatalyst-free gZIS with great exploration value, potentially providing a state-of-the-art design and innovative aperture for efficient solar-driven hydrogen production to achieve carbon-neutrality.

Suggested Citation

  • Wei-Kean Chong & Boon-Junn Ng & Yong Jieh Lee & Lling-Lling Tan & Lutfi Kurnianditia Putri & Jingxiang Low & Abdul Rahman Mohamed & Siang-Piao Chai, 2023. "Self-activated superhydrophilic green ZnIn2S4 realizing solar-driven overall water splitting: close-to-unity stability for a full daytime," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-43331-x
    DOI: 10.1038/s41467-023-43331-x
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    References listed on IDEAS

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    1. Xiaowei Shi & Chao Dai & Xin Wang & Jiayue Hu & Junying Zhang & Lingxia Zheng & Liang Mao & Huajun Zheng & Mingshan Zhu, 2022. "Protruding Pt single-sites on hexagonal ZnIn2S4 to accelerate photocatalytic hydrogen evolution," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
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    Cited by:

    1. Zhang, Xuewei & Zhou, Wei & Huang, Yuming & Ding, Yani & Li, Junfeng & Xie, Liang & Yu, Yang & Chen, Jiaxiang & Sun, Miaoting & Meng, Xiaoxiao, 2024. "Enhanced hydrogen production enabled by pulsed potential coupled sulfite electrooxidation water electrolysis system," Renewable Energy, Elsevier, vol. 227(C).
    2. Chao Zhen & Xiangtao Chen & Ruotian Chen & Fengtao Fan & Xiaoxiang Xu & Yuyang Kang & Jingdong Guo & Lianzhou Wang & Gao Qing (Max) Lu & Kazunari Domen & Hui-Ming Cheng & Gang Liu, 2024. "Liquid metal-embraced photoactive films for artificial photosynthesis," Nature Communications, Nature, vol. 15(1), pages 1-13, December.

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